Data-driven insights for local properties

Complete Property Analysis

Environmental risk, tax analysis, and property details for 4033 Malone Dr, Pasadena, TX 77507

HCAD #1311800030001
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🌍Environmental Assessment

This comprehensive report analyzes both flood risk and industrial pollution exposure for this property. The assessment combines multiple data sources including USGS elevation, FEMA flood zones, historical storm modeling, and EPA Toxic Release Inventory records.

🌊Flood Risk Analysis
FEMA Zone X
Property Overview

This section shows the fundamental characteristics of the property, including its elevation above sea level, FEMA flood zone designation, and our calculated overall flood risk rating based on historical data and topographic analysis.

Address
4033 Malone Dr, Pasadena, TX 77507
Elevation
18.7 ft
Height above sea level from USGS data.
FEMA Flood Zone
X
Moderate to Low Risk - Outside 500-year floodplain
Overall Risk
Very High
Property flooded at 9.84ft depth.
Risk Assessment Outputs

These detailed metrics show the technical outputs from our flood risk model. They include predicted water depths at the property during a 5000-year flood event and estimated flood damage based on USACE methodology.

Risk Rating
Very High
Flood Depth
9.84 ft±0.5 ft
Depth of water above ground level.
Water Surface Elevation (WSE)
28.54 ft
Water surface elevation relative to sea level (NAVD88 datum).
Area Inundated
294.9 acres
100.0% of 500m radius flooded.
Nearest Bayou Stage
N/A
No nearby bayou within monitoring range
Depth-Damage (HCAD Valuation)
$6,277,347
Vacant lot (no building data).
Depth-Damage (Neighborhood)
$0
Vacant lot (no building data).
Analysis Method
COG Combined 5000 Model
Raster-based flood inundation query
Flood Simulation

This simulation shows whether the property would flood based on a 5000-year flood event with 3m (9.84ft) water level. Use the interactive tool to explore different scenarios.

Property Would Be Flooded
Flood Depth: 9.84 feet
Severity
Severe
Adjust Flood Simulation

The analysis above uses default settings (5000-year flood, 3m/9.84ft water level). To explore different flood scenarios with interactive maps, return to the main tool:

Open Interactive Analysis Tool
Flood Risk Recommendations

Based on the property's flood risk profile, here are specific action items to consider.

#1
Minimal flood hazard area - property outside mapped high-risk zones
#2
Flood insurance available at preferred rates - over 25% of claims occur in low-risk areas
#3
Review official FEMA Flood Insurance Rate Map (FIRM) for detailed flood zone boundaries
#4
Contact Harris County Flood Control District (HCFCD) for drainage projects and flood information
🏭Industrial Pollution Exposure
11.0th percentile
Property Pollution Ranking
High
Higher pollution than 89% of Houston homes
Compares pollution within 2mi against 10,000 Houston properties. Lower percentiles = higher pollution.
Industrial Pollution Nearby (10 Years)
6.51 millionlbs
Extremely High
997.9x more than typical Houston property
≈ 326 dump trucks of chemicals within 2 miles
Air Pollution (10 Years)
6.49 millionlbs
Extremely High
1346.7x more than typical Houston property
Includes fugitive emissions (leaks) and stack emissions (smokestacks).
Water Pollution (10 Years)
16 thousandlbs
Extremely High
Discharges to bayous, streams, and drainage systems.
Facilities Nearby
26
Industrial facilities within 2 miles
💡
Why It Matters: High chemical activity nearby can indicate industrial zones, truck traffic, or potential odor and noise issues. These factors may affect air quality, long-term property desirability, and neighborhood character. This data helps you understand the industrial footprint around your property.
Houston Metro Benchmarks

Comparison with typical Houston properties (based on 10,000 randomly sampled homes). All measurements are for chemicals released within a 2-mile radius.

PeriodTotalAirWater
Typical Houston Property (2014-2024)6,524 lbs4,822 lbs0 lbs
This Property (2014-2024)6,510,627 lbs6,494,290 lbs16,336 lbs
Typical Houston Property (2024 Only)2 lbs1 lbs0 lbs
This Property (2024 Only)503,567 lbs502,292 lbs1,275 lbs
How This Property Compares to Houston Metro

Based on a random sample of 10,000 Houston properties, this chart shows the distribution of pollution levels across the metro area. The highlighted bar indicates where this property falls compared to other homes. Lower percentiles mean higher pollution exposure.

0-9thMost Polluted
9.9%
10-19th
10.1%
20-29th
9.9%
30-39th
10.1%
40-49th
9.7%
50-59th
10.2%
60-69th
6%
70-79th
5.8%
80-89th
4.3%
90-100thLowest Pollution
34.2%
Higher pollution than 89% of Houston homes
Each bar's width represents the percentage of Houston homes in that pollution range. This property ranks in the 10-19th percentile.
📋
Top chemicals released near this property (past 10 years):
Ethylene, n-Hexane, Methanol, Ammonia, Vinyl acetate
View the full list of 70 chemicals below.
Chemicals Released (2014-2024, 10-Year Total)(70 chemicals)
#ChemicalCAS#Air (lbs/10yr)Water (lbs/10yr)Total (lbs/10yr)
1Ethylene74-85-11,123,072 lbs0 lbs1,123,072 lbs
2n-Hexane110-54-31,075,913 lbs0 lbs1,075,913 lbs
3Methanol67-56-1838,322 lbs0 lbs844,849 lbs
4Ammonia7664-41-7756,594 lbs123 lbs756,737 lbs
5Vinyl acetate108-05-4538,659 lbs0 lbs538,659 lbs
6Toluene108-88-3434,759 lbs0 lbs434,759 lbs
7Nitric acid7697-37-2397,668 lbs55 lbs397,748 lbs
8Ethylene oxide75-21-8155,592 lbs0 lbs155,592 lbs
9Ethylene glycol107-21-1136,914 lbs0 lbs136,914 lbs
10Acetaldehyde75-07-0119,011 lbs0 lbs119,011 lbs
11Acrylic acid79-10-7103,139 lbs0 lbs103,139 lbs
12Propylene115-07-197,894 lbs0 lbs97,894 lbs
13n-Butyl alcohol71-36-391,561 lbs0 lbs91,561 lbs
14Acrylonitrile107-13-183,639 lbs0 lbs83,639 lbs
15Certain glycol ethersN23049,151 lbs0 lbs49,152 lbs
16Hydroquinone123-31-944,758 lbs0 lbs44,758 lbs
17Molybdenum trioxide1313-27-537,655 lbs3,227 lbs40,897 lbs
18Butyl acrylate141-32-239,999 lbs0 lbs39,999 lbs
19Chlorodifluoromethane (HCFC-22)75-45-638,792 lbs0 lbs38,792 lbs
20Ethyl acrylate140-88-537,048 lbs0 lbs37,048 lbs
21Methyl isobutyl ketone108-10-136,313 lbs0 lbs36,313 lbs
22Hydrogen sulfide7783-06-431,678 lbs0 lbs31,678 lbs
23Cumene98-82-831,173 lbs0 lbs31,173 lbs
24Phenol108-95-230,497 lbs0 lbs30,497 lbs
25Methyl acrylate96-33-323,024 lbs0 lbs23,024 lbs
26Xylene (mixed isomers)1330-20-717,096 lbs0 lbs17,096 lbs
27Nickel compoundsN49511,795 lbs1,905 lbs13,715 lbs
28Styrene100-42-512,385 lbs0 lbs12,385 lbs
292-Methoxyethanol109-86-411,669 lbs0 lbs11,669 lbs
30Benzene71-43-210,536 lbs0 lbs10,536 lbs
31Nitrate compounds (water dissociable; reportable only when in aqueous solution)N51130 lbs9,885 lbs9,930 lbs
32Chloroethane75-00-39,070 lbs0 lbs9,070 lbs
33Cobalt compoundsN0965,871 lbs886 lbs6,772 lbs
342-Ethoxyethanol110-80-56,044 lbs0 lbs6,044 lbs
35Diphenylamine122-39-45,938 lbs0 lbs5,938 lbs
36tert-Butyl alcohol75-65-05,606 lbs0 lbs5,606 lbs
37Ethylbenzene100-41-45,307 lbs0 lbs5,307 lbs
38Methyl iodide74-88-45,089 lbs0 lbs5,089 lbs
39Nickel And Nickel CompoundsN4954,878 lbs62 lbs4,940 lbs
40Formaldehyde50-00-04,627 lbs102 lbs4,729 lbs
41Cobalt And Cobalt CompoundsN0964,551 lbs42 lbs4,593 lbs
42Dimethylamine124-40-33,754 lbs0 lbs3,754 lbs
43Methyl methacrylate80-62-63,052 lbs0 lbs3,052 lbs
44Propylene oxide75-56-92,352 lbs0 lbs2,352 lbs
45Acrolein107-02-82,268 lbs0 lbs2,268 lbs
46Maleic anhydride108-31-61,577 lbs0 lbs1,577 lbs
47Allyl alcohol107-18-61,569 lbs0 lbs1,569 lbs
481,2,4-Trimethylbenzene95-63-61,065 lbs0 lbs1,065 lbs
49NonylphenolN5301,013 lbs0 lbs1,013 lbs
50Nonylphenol EthoxylatesN5351,008 lbs0 lbs1,008 lbs
51Cyclohexane110-82-7857 lbs0 lbs857 lbs
52Sulfuric acid (acid aerosols including mists, vapors, gas, fog, and other airborne forms of any particle size)7664-93-9597 lbs0 lbs597 lbs
53Benzoyl chloride98-88-4469 lbs0 lbs469 lbs
54Hydrazine302-01-2437 lbs0 lbs437 lbs
55Lead And Lead CompoundsN420211 lbs10 lbs221 lbs
56Barium compounds (except for barium sulfate (CAS No. 7727-43-7))N040145 lbs30 lbs175 lbs
57Bifenthrin82657-04-3149 lbs0 lbs149 lbs
58Lead compoundsN420138 lbs4 lbs142 lbs
59Copper compoundsN100132 lbs6 lbs138 lbs
60Naphthalene91-20-396 lbs0 lbs96 lbs
61Cyanide compoundsN1065 lbs0 lbs58 lbs
62Chloromethane74-87-351 lbs0 lbs51 lbs
63Oxyfluorfen42874-03-310 lbs0 lbs10 lbs
64Zinc compoundsN9825 lbs0 lbs5 lbs
65Bis(2-chloroethyl) ether111-44-43 lbs0 lbs3 lbs
66Manganese And Manganese CompoundsN4503 lbs0 lbs3 lbs
67Cumene hydroperoxide80-15-92 lbs0 lbs2 lbs
68Nickel7440-02-02 lbs0 lbs2 lbs
69Formic acid64-18-61 lbs0 lbs1 lbs
70Boron trifluoride7637-07-21 lbs0 lbs1 lbs
📋
Top chemicals released near this property (2024 only):
n-Hexane, Ethylene, Ammonia, Methanol, Vinyl acetate
View the full list of 53 chemicals reported within 2 miles for 2024.
Chemicals Released (2024 Only)(53 chemicals)
#ChemicalCAS#Air (lbs/yr)Water (lbs/yr)Total (lbs/yr)
1n-Hexane110-54-3117,703 lbs0 lbs117,703 lbs
2Ethylene74-85-1112,842 lbs0 lbs112,842 lbs
3Ammonia7664-41-787,209 lbs5 lbs87,214 lbs
4Methanol67-56-141,695 lbs0 lbs41,695 lbs
5Vinyl acetate108-05-421,425 lbs0 lbs21,425 lbs
6Toluene108-88-314,342 lbs0 lbs14,342 lbs
7Propylene115-07-112,098 lbs0 lbs12,098 lbs
8Acrylic acid79-10-711,887 lbs0 lbs11,887 lbs
9Ethylene oxide75-21-89,498 lbs0 lbs9,498 lbs
10Nitric acid7697-37-29,490 lbs5 lbs9,495 lbs
11Ethylene glycol107-21-18,941 lbs0 lbs8,941 lbs
12Hydroquinone123-31-96,585 lbs0 lbs6,585 lbs
13Acetaldehyde75-07-04,403 lbs0 lbs4,403 lbs
14Methyl isobutyl ketone108-10-13,997 lbs0 lbs3,997 lbs
15Hydrogen sulfide7783-06-43,596 lbs0 lbs3,596 lbs
16Certain glycol ethersN2303,532 lbs0 lbs3,532 lbs
17Ethyl acrylate140-88-53,477 lbs0 lbs3,477 lbs
18Chloroethane75-00-33,424 lbs0 lbs3,424 lbs
19Molybdenum trioxide1313-27-52,770 lbs482 lbs3,252 lbs
20Methyl acrylate96-33-32,867 lbs0 lbs2,867 lbs
21n-Butyl alcohol71-36-32,825 lbs0 lbs2,825 lbs
22Butyl acrylate141-32-22,678 lbs0 lbs2,678 lbs
23Cumene98-82-82,616 lbs0 lbs2,616 lbs
24Phenol108-95-21,875 lbs0 lbs1,875 lbs
25Acrolein107-02-81,224 lbs0 lbs1,224 lbs
26Nickel compoundsN4951,017 lbs108 lbs1,125 lbs
27Benzene71-43-21,090 lbs0 lbs1,090 lbs
282-Methoxyethanol109-86-41,027 lbs0 lbs1,027 lbs
29Methyl iodide74-88-4958 lbs0 lbs958 lbs
30Formaldehyde50-00-0951 lbs0 lbs951 lbs
31Xylene (mixed isomers)1330-20-7635 lbs0 lbs635 lbs
32Nitrate compounds (water dissociable; reportable only when in aqueous solution)N5110 lbs622 lbs622 lbs
33Cobalt compoundsN096455 lbs36 lbs491 lbs
34tert-Butyl alcohol75-65-0467 lbs0 lbs467 lbs
352-Ethoxyethanol110-80-5407 lbs0 lbs407 lbs
36Methyl methacrylate80-62-6387 lbs0 lbs387 lbs
37Styrene100-42-5374 lbs0 lbs374 lbs
38Dimethylamine124-40-3341 lbs0 lbs341 lbs
39Ethylbenzene100-41-4275 lbs0 lbs275 lbs
40Maleic anhydride108-31-6186 lbs0 lbs186 lbs
41Nonylphenol EthoxylatesN535131 lbs0 lbs131 lbs
42Diphenylamine122-39-4105 lbs0 lbs105 lbs
43Propylene oxide75-56-999 lbs0 lbs99 lbs
441,2,4-Trimethylbenzene95-63-699 lbs0 lbs99 lbs
45Nickel And Nickel CompoundsN49582 lbs8 lbs90 lbs
46Cobalt And Cobalt CompoundsN09682 lbs8 lbs90 lbs
47Hydrazine302-01-239 lbs0 lbs39 lbs
48Benzoyl chloride98-88-433 lbs0 lbs33 lbs
49Cyclohexane110-82-724 lbs0 lbs24 lbs
50Lead And Lead CompoundsN42016 lbs1 lbs17 lbs
51Naphthalene91-20-312 lbs0 lbs12 lbs
52Manganese And Manganese CompoundsN4503 lbs0 lbs3 lbs
53NonylphenolN5301 lbs0 lbs1 lbs
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